cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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trap_pf.h (861B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _ASM_X86_TRAP_PF_H
      3#define _ASM_X86_TRAP_PF_H
      4
      5#include <linux/bits.h>  /* BIT() macro */
      6
      7/*
      8 * Page fault error code bits:
      9 *
     10 *   bit 0 ==	 0: no page found	1: protection fault
     11 *   bit 1 ==	 0: read access		1: write access
     12 *   bit 2 ==	 0: kernel-mode access	1: user-mode access
     13 *   bit 3 ==				1: use of reserved bit detected
     14 *   bit 4 ==				1: fault was an instruction fetch
     15 *   bit 5 ==				1: protection keys block access
     16 *   bit 15 ==				1: SGX MMU page-fault
     17 *   bit 31 ==				1: fault was due to RMP violation
     18 */
     19enum x86_pf_error_code {
     20	X86_PF_PROT	=		BIT_ULL(0),
     21	X86_PF_WRITE	=		BIT_ULL(1),
     22	X86_PF_USER	=		BIT_ULL(2),
     23	X86_PF_RSVD	=		BIT_ULL(3),
     24	X86_PF_INSTR	=		BIT_ULL(4),
     25	X86_PF_PK	=		BIT_ULL(5),
     26	X86_PF_SGX	=		BIT_ULL(15),
     27	X86_PF_RMP	=		BIT_ULL(31),
     28};
     29
     30#endif /* _ASM_X86_TRAP_PF_H */